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Dayton Audio DTA-2.1BT

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  • JasonM
    replied
    Originally posted by Freerider View Post
    Received my Dayton Audio DTA-2.1BT2 a couple days ago, but fear I'll have to return it. There is a constant static and periodic pop from the amp, whenever the Bluetooth mode is selected, with or without a Bluetooth device connected. It's audible during playback as well. The analog audio input modes don't have issues, but as soon as Bluetooth is selected, the speakers emit static. I"ll contact support to get a swap, and hope it was just a bad unit. I've been waiting for this exact product for years, so I"m still hopeful.
    Is there static if you take off the antenna and put your device right next to it?

    Leave a comment:


  • tomzarbo
    replied
    Originally posted by Freerider View Post
    Received my Dayton Audio DTA-2.1BT2 a couple days ago, but fear I'll have to return it. There is a constant static and periodic pop from the amp, whenever the Bluetooth mode is selected, with or without a Bluetooth device connected. It's audible during playback as well. The analog audio input modes don't have issues, but as soon as Bluetooth is selected, the speakers emit static. I"ll contact support to get a swap, and hope it was just a bad unit. I've been waiting for this exact product for years, so I"m still hopeful.
    Don't worry, The first batch of V2 seemed to be pretty small number-wise,
    you probably just got a bad unit that slipped through somehow.
    The previous version was/is quiet and powerful and I think the revisions to V2 were fairly minor in scope, so it should be a winner as well.
    It's a cool little bugger right?
    TomZ

    Leave a comment:


  • Freerider
    replied
    Received my Dayton Audio DTA-2.1BT2 a couple days ago, but fear I'll have to return it. There is a constant static and periodic pop from the amp, whenever the Bluetooth mode is selected, with or without a Bluetooth device connected. It's audible during playback as well. The analog audio input modes don't have issues, but as soon as Bluetooth is selected, the speakers emit static. I"ll contact support to get a swap, and hope it was just a bad unit. I've been waiting for this exact product for years, so I"m still hopeful.

    Leave a comment:


  • spasticteapot
    replied
    Maybe Dayton could get Sure to do something? A JAB3-250 and JAB3-1100 in a box with the right DSP configuration would get you 2x50 + 100W with a fully adjustable crossover point - and, with a programming cable, all the DSP you could humanly want.

    Leave a comment:


  • tomzarbo
    replied
    Matt,
    Any updates on the progress of V2?

    TomZ

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  • Millstonemike
    replied
    Originally posted by davidroberts View Post
    Could this be the V2 version of the amplifier in module format?
    No, that's not the PCB in the BT2.1. Both Tom and I have had the BT2.1 open and the BT2.1 PCB is very different. And I agree with Tom's thinking on the V2 description - ultimately different than the 5 pot module.

    For the module pic you posted, Tom recalled that I had info the slide switch may be L-R HP. Since then there's some better info that suggests the slide switch controls whether the sub uses the LP filter or full range pass-thru. Can't be sure until someone has the module to investigate.

    The HP laptop supplies (circa 19V?) will work well. Total power out will be down a bit from a true 24 V supply. With a 19 V supply ~20 W rms into 8 ohms and 40 into 4 ohms <1% THD.

    Leave a comment:


  • davidroberts
    replied
    I guess I will just have to order a couple and try them out.

    I have a box full of HP docking station power supplies just looking for new purpose in life. Looks like some new speakers for the patio are in the near future.

    Leave a comment:


  • tomzarbo
    replied
    Dave,

    Not sure of course, but I kind of doubt this is the V2 for the DTA-2.1 discussed here based on Matt's description of the pending changes:

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months. -MP

    I'm thinking that if everything really is 'identical' just maybe with one more small pot (where will they fit it? Maybe a hole with a screw adjustment?) on the front, it wouldn't be this one considering it has two extra pots and would mean a total rework of the little lights on the front.

    Of course, I'm usually wrong... and looking at the dimensions... the size is right. I also like that switch on the top that MillstoneMike suspects will change the HP frequency to follow the sub freq. adjustment: http://techtalk.parts-express.com/fo...08#post1355408 (different amp board, but VERY similar)

    Things are getting interesting little-amp wise right?

    TomZ

    Leave a comment:


  • davidroberts
    replied
    Could this be the V2 version of the amplifier in module format?
    TPS3116D2 Class D 2.1 Bluetooth 4.0 Amplifier Board 2 x 50W + 100W with Filter and Volume Controls

    Leave a comment:


  • tomzarbo
    replied
    Originally posted by mattp View Post
    Also (everyone)...

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months.

    MP
    Matt, I see that it's not expected back in stock until July... do you expect to restock this one or just move to V2?

    BTW, I picked up two of the current version for gifts that I did MillstoneMike's mod on for a 72 Hz lowpass crossover and it's really quite a nice and powerful amp when setup that way.
    I'm really looking forward to messing with V2 when it becomes available.  Thank you for listening to us Tech Talk'ers, I appreciate it.

    TomZ

    Leave a comment:


  • tomzarbo
    replied
    Originally posted by mattp View Post
    Also (everyone)...

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months.

    MP
    Fantastic! Thanks for listening.
    TomZ

    Leave a comment:


  • Brian Steele
    replied
    Originally posted by mattp View Post
    Also (everyone)...

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months.

    MP
    Don't forget to include the adjustable high-pass too for the mains

    My preference would be to have the adjustments for the filter(s) located somewhere where they can't be easily fiddled with, but beggars can't be choosers

    Leave a comment:


  • Brian Steele
    replied
    Originally posted by mattp View Post

    Brian,

    You should not have had to cover return shipping charges for a defective product (within a certain time period). If you did not call our customer service I recommend doing so. They will get this straightened out. Also, It is very unusual to have this many issues with this amp, of the dozens I have tested I haven't come across either of these problems. I would recommend asking if one of the techs can pull one from stock to test prior to shipping to you.

    MP
    Hi Matt, I ship through a freight forwarder in Miami, hence the extra shipping charges, which worked out to about $28 US to ship here (I can't remember the cost of shipping it out).  And my govt here has made it even more difficult to return items by making the paperwork a lot more complex than it needs to be.  Not really worth the effort to have it replaced again. 

    Concerning the BT issue, I've tried connection to a few systems since my last post, and so far it looks like it happens only with my Galaxy S7 Edge so far.  It works fine with my laptop used as a BT source, and also my main PC with its BT dongle attached.  Strange.  And yes, I've got the "media" volume up on the S7 when a BT connection is made.  It's the same BT source that I use for my car's audio system. 

    Leave a comment:


  • Kevin K.
    replied
    Originally posted by mattp View Post
    Also (everyone)...

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months.

    MP
    Sounds Fantastic! I'll be dropping one in the cart as soon as it's available.

    Leave a comment:


  • mattp
    replied
    Also (everyone)...

    We are currently testing a V2 of this amp (I know I know - V2 already...blah blah) that has an adjustable low pass. Everything is identical, just the addition of a small pot on the front. I cannot give you a time period but I'm just letting you know we are listening. Probably a couple months.

    MP

    Leave a comment:

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